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jferdi2005
26.02.2021 •
Mathematics
If Kelly wanted to put a protective covering on the four glass walls of the aquarium, how big does the cover have to be?
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Ответ:
= ( . )( . ) + ( . )( . ) + ( . )( . ) = + + =
We only need to cover the four glass walls, so we can subtract the area of both the top and bottom of the aquarium.
AreaofTop: =. × . =
AreaofBottom: =. × .=
Surface Area of the Four Walls:
= − − =
Kelly would need to cover the four walls of the aquarium.
Ответ: